physical activity level

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Daily physical activity; the sum of the cost of all the physical activities over a 24 hour period. PAL = total energy required over 24 h/BMR over 24 h. According to World Heath Organization statistics, the desirable PAL for cardiovascular health is 1.7; the average PAL in the UK is 1.4, with only 13% of women and 22% of men achieving a PAL of 1.7. For those engaged in hard physical activity, the PAL is 2.14. In a group of novice athletes training for the half marathon, the average PAL at the start of training was 1.66, and after 10 weeks of training it was 2.03.

Subjects: Sports and Exercise Medicine.

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